Simplify 7a+2a 8x+10x and 5c-6c+8c-9c

What is the number if 15% of 500 is equal to 7.5% of a number?

A movie channel sends an email survey to all customers who purchase their service each month. The previous month, 182,000 people purchased subscriptions.

What is the area of a circle if half of it is 22 inches

Jonathan is looking for a part-time job in order to make some extra money after school. The shoe store wants to pay him $7.85 per hour; the clothing store wants to pay him $7.58 per hour; and the pet store wants to pay him $7.65 per hour.

4. Evaluate using suitable properties: a) 25 x 312 x 4

Round 348.5 to the tens place

Factor completely. 20x4+8x3+40x2

A soccer goalie can block 3/5 of the opposing team's shots. Suppose there are 20 attempted blocks in a soccer game. Which can be used to simulate the results of the goalie's attempted blocks? A. You can flip a coin.

Johnny saves all his nickels and dimes in a jar. one day he counted them and found there were 81 coins worth 5.55. how many nickels and how many dimes were in the jar

How do you change a improper fraction to a mixed number?